Zeray Alemseged discovers bones from the dawn of humanity more than 3 million years ago

A scientist challenges the idea that no two snow crystals are identical

Sinkholes are engulfing buildings, roads, and even people. Can scientists learn how to predict them?

Space simulations are teaching scientists what it will take to live on the Red Planet

Justin Beckerman built his own one-man submarine to explore a nearby lake

Venomous animals produce some of the deadliest poisons on the planet. They’re also saving people’s lives.

Should scientists bring extinct species back to life?

In the 1930s, severe dust storms whipped across the Great Plains. Could increasing drought bring on another Dust Bowl?

As we use up Earth’s supply of minerals that are crucial to our lives, the race is on to extract them from space